The Relaxsan Orthosoft Ultradeluxe features a softer core for enhanced comfort, has low allergy properties, is resistant to dust mites, and is recommended for a healthy night’s sleep. Like all Relaxsan mattresses it has been vacuum packed using a patented revolutionary technology developed by Magniflex-Italy, which guarantees that within a few minutes of unpacking, the mattress will fill out to its full and permanent size. The high quality materials ensure that the mattress will keep its shape for many years. The Orthosoft Ultra-DeLuxe product has a an overall depth is approx 20cm.